SA515360186B1 - Radio frequency identification capsule - Google Patents

Abstract

The invention relates to a radio frequency identification capsule for marking an object. The capsule is characterised in that it comprises: a metal base to be attached to the object; a receiving element for holding a radio tag, the receiving element being secured to the base and overmoulded on the base in order to form a durably tight joint with the base; and means for holding the radio tag at a determined distance from the base. The invention allows an automatic inventory of a plurality of marked objects randomly arranged in a highly metal medium and in the presence of Faraday cages.

Description

_— \ _ Radio frequency identification capsule FULL DESCRIPTION BACKGROUND The present invention generally relates to a Radio Frequency (RFID) Identification Capsule for the purpose of le and more specifically; RFID identification of medical devices sale ALE in use and their blocks; Automatic and multiple identification in a robust metallic environment. The present invention is also used for other purposes such as (JB) dental tools; suture tubes; suture tube substitutes; prostheses; tools; industrial components; computer related; railway related; automotive related; marine related; aeronautical components, spare parts and any Other similar parts required for identification to ensure identification and traceability The ability of the process to reprocess reusable medical devices makes it possible 0 sale) to ensure that the device is processed correctly; Which means: purified, washed; cleaning, drying, checking, packing; and sterilize them prior to new use with the patient 0 The aim of this process is to avoid transmitting infectious agents to patients. Instrument level traceability makes it possible to inform the sterilizing agent(s) about the method of instrument handling (cial) submerge washing; reassembly Functional side check; etc.). V0 tool-level traceability can also make it possible to improve the financial and logistical management of tools (stock estimation; management of repairs and replacement of tools; matrio—cvigilance usage history of tools; "fixed" inventory; etc.) . It also allows to check the stock of the sterilization basket and thus; Makes it possible to reduce events in Han operations. Indeed, a missing or inappropriate instrument can jeopardize the proper procedure of surgery and pose a risk to the Qa ¢.

Ad —_ _ Patients' lives. sale) can be an incomplete box or unsuitable for sterilization; It therefore involves additional work and therefore cost. Since 2007 the AOL OMS Patient in Operations San' Checklist has required instruments to be counted before and after an operation. The present invention allows for mass; automatic and real-time identification of selected instruments© and facilitates activation of this orientation mode while avoiding human errors and their impact on Costs compared to manual calculation by qualified personnel The ability to trace to instrument level makes it possible to control the risk of Creutzfeldt-Jakob disease by identifying instruments used in patients at risk and thus withholding batches of affected instruments. Individual RFID identification of instruments can be scanned at the end of an operation so that an instrument is not forgotten in the patient's body or thrown into the trash bee with operating room dressings The present invention also makes it possible to prevent the collection of instruments that have not been sterilized (single-use instruments) or instruments that reach the maximum number of sterilization times). in the metal sterilization basket because; Several techniques have been used as a partial solution to the above problem. Color identification: This method does not make it possible to identify a unique target identifier 0 This system quickly reaches its limits 0 as it is necessary to identify each target in a different color; So that represents something completely impossible. Nevertheless; This solution has the characteristic of not requiring any specific device. In the case of led use a label of the same color on all items from the sterilizing basket; The color selection features Qa ¢

__By allowing quick and manual storage of instruments and by aiding in the classification of instruments after they have been used in the operating room. The solutions are shown in: using the color rings that are attached to the tool; like; What has been described in IPL No. XM. This solution does not show the defects of creating bacteria cultures between the color ring and the tool as the seal of the ring tool is not sealing; or the creation of a cavity filled with a colored polymerizable resin” Jie As described in International Patent No. 00 1775 This solution is characterized by the modification of the tool and the creation of potential breakage points. noise identification Accurate Collision Data Matrix; Scratching Yo Optical codes can be used on tools either by scratching with a laser or by microimpingement consisting of a succession of impacts that deform the surface of the part to be selected. Optical code identification makes it possible to specify a unique number (measured coding of the type CSI or an internal number chosen by the owner and thus uniquely identify two targets that are similar to each other on each side. Vo SY identification is performed) Determined using a suitable optical reader Unique code is not guaranteed as a code may be scratched an infinite number of times French Patent No. 78454868675 describes a Data Matrix Encoder with European Patent Description (Vag) + TAYYOY Scheme for shal identification surgical. Optical selection does not allow automatic selection; Multiple and clustered for specific tools. makes dirty code; 0 Wet, decomposing, or any opaque element between the optical code and the reader makes reading impossible or difficult. The instrument's deep definition cuts it off; Surface contouring disappears easily and often has to arrive and thus leads to very high costs. Qa ¢

Qo _ RFID RFID 4a makes it possible to: To specify a unique code for each medical device to be able to distinguish in a specific and immediate way two visually identified targets; © to specify a tool even if hae is dirty; or wet; To modify without contact with the target all or some of the data in the RFID tag's memory except for its unique code that was scratched during manufacture. This unique code is; when it exists; Unalterable. The memory of the card allows any kind of data; For example; 651 type measured encoding; to be stored inside. Various RFID-based identification methods are fine-tuned; The main technical solutions are as follows: Embedding the RFID card into a cavity made in the device” eg; What is described in International Patent Applications No. 179749411 The first drawback of this solution lies in the fact that it is necessary to make a cavity in the tool; This causes Vo to shatter and causes Ha to fracture a bone as he forces A to undergo surgery. Moreover, as surgical instruments are mainly metallic; Embedding the RFID tag into the material greatly reduces the reading distance. Thus, multiple and mass determination is not possible even in a non-metallic environment. capsule manufacturing; An installation tool button that is then installed on the device to be selected. US Patent Document 00111179771 describes a fixing device that attaches to the device. The Yo level of sealing between the retainer and the device is not a seal and provides potential bacteria cultures. Furthermore it; It is not easy to clean such a part. Qa ¢

h —_ _ US Patent No. 000360714991 describes a button tag to be screwed onto the device. This solution does not make it possible to obtain a potentially tight seal between the tool and the button. It is necessary to make a cavity in the tool so that it would be possible to install the button inside it. In relation to the capsule described in International Application Document No. 02011141912//; The “L”-shaped metal ring space © around the RFID card does not allow for “mass identification”; And immediate and automatic to hundreds or as well as to machines in a surgical basket. The technology used in international application document No. 1000547505 does not allow? any? with multiple definition; The robotic and the bulk in a metallic surgical basket. The RFID capsule is affixed by using a mixture of polymerizable acrylates or methacrylates. Yo in the document from International Application No. 14 the two cards are necessary for z to be automatically determined; It does not represent Bad from an economic point of view and strongly illustrates the lack of effectiveness of the selected RFID technology within the framework of use in a metallic medium. And therefore; Multiple selection is not; And automatic and bulk in a metal basket is possible. prior art defects (Vo to calculate or check the content of the cabal) it is necessary to select the tools one by one; Which takes more time. The foregoing art does not provide any solution that allows multiple selection; automatic; the mass of tools determined in a robust metallic environment; nor any sanitary and multi tool modification solution (examples of metal sterilization basket: ‎http://www.aesculap .extranet.bbraun.com/public/frame_doc_index.html?m ‎http://www.sterilmed.fr/avec—filligrane /sterilmed—-02- , ¢tedid=100051310 ‎(paniers—et-accessoires-2012.pdf). 0 General Description of the Invention The purpose of the present invention is to remedy the defects mentioned herein above. In: Qa ¢

Firstly. Proposal of an RFID capsule for surgical instruments that allows automated Lie detection; by mass and in a strongly metallic environment in the absence of Faraday cages indeed; Up to 100,000 instruments or more can be stored in stainless steel sterilization baskets, where random overlapping and sometimes metal utensils create Faraday © cages Secondly, a medically and hygienic RFID capsule is provided in both Designed and assembled.

A third is to provide an RFID capsule that allows for a “sealable, static quick assembly” without the need to create a cavity in the tool; cla) provide an RFID capsule that can be assembled to a wide range of items; fifthly; Provision of an RFID capsule that can be installed to tag new devices by the company

0 manufactured and also to assemble existing tools; This means that the devices do not have to be modified in their designs to allow RFI D identification thus the present invention relates a wireless identification capsule to identify a target as defined in claim 1 and an assembly as described in claim 11 and a method of assembling a wireless tag in an identification capsule Wireless as stated in security element AY

Vo The distinguishing features of the present invention are indicated in the approved claims. The present invention consists of a metal base that is overformed using a fully integrated wireless card (RFID card) composition and forms an RFID wireless identification capsule This RFID capsule can be fixed and hygienically attached to a medical device to give it a referenceable electronic signature Uniquely; other than ALE for distortion; and from a distance.

Yo The other characteristics and features of the present invention will become more apparent upon reading the detailed description which follows an embodiment of the present invention provided as JB is not exhaustive in its entirety and is illustrated by the accompanying drawings; where:

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A —_ _ BRIEF EXPLANATION OF DRAWINGS FIGURE 1 showing my hometown of a radio identification capsule of the present invention; appearance ? Sle of a cross-section of a wireless identification capsule according to the present invention; Figure TV is a cross-section of a radio identification capsule along the axis (HT Fig. b) Ble from a cross-section similar to that in Fig. ?a where the image of the bottom of the base is shown (see ref. ); Fig. ; is a cross-section of a radio-locating capsule of the present invention comprising a wireless card; Fig. fo is a base of a radio-locating capsule of the present invention having an inclined edge to house a six-sided Ye device; a bear-shape A base of a radio-locating capsule of the present invention having an inclined border to enclose a part of the instrument having a diameter of 6 fae Fig. 1 Ble of a radio-locating capsule of the present invention assembled on a flat surface of an instrument; V-shape A radio-locating capsule of the present invention assembled on an uneven surface of an instrument; Figure A is a horizontal projection and cross-section of a radio-locating capsule according to a variant of the present invention comprising a base capable of holding a round instrument; Fig. 9 is of a horizontal projection and cross-section of a radio-identifying capsule according to a variant of Ys of the present invention incorporating a base Capable of including a six-sided instrument; Qa ¢

q —_ _ Fig. 01 is a horizontal projection and cross section of a radio identification capsule according to a variant of the present invention comprising a base capable of holding an instrument on a flat surface; Fig. 11 is a horizontal projection of a radio-locating capsule according to a variant of the present invention comprising a base capable of enclosing a round device; © Fig. 11 is a horizontal projection of a radio-locating capsule according to another variant of the invention, Sal, comprising a base capable of enclosing an eight-sided device. Detailed description: Figures 1 and 7 show a wireless identification capsule 1 (an RFID capsule of the present invention having a metal base (or support) ¥ to be attached to an object 0 to be identified (Figures 1 and (V) 0 and a housing 7 preferably made of polyether ether ketone (PEEK) capable of holding a wireless (RFID) card 9. The housing V is bolted to the base and overformed on the base ? to form an airtight seal Supplied with the base ?. The ac lal for example (Jl) is made of stainless steel WAT) the liter is stainless steel) The housing 7 can be made of polyether ether ketone (PEEK) hardened With glass fiber 1 or carbon fiber Polyether ether ketone pattern can be made in different colors Furthermore, the wireless identification capsule 1 includes a means 11 to hold the wireless card 4 at a fixed distance d from the base ? (Fig. ); where the distance © becomes the shortest distance between the base “ and the wireless card 9. The means 11 to keep the wireless card 9 at a fixed distance from the base can be Yo clips (claws) and Find in housing 7 and attach to inner surface of housing EY on wireless card receiver 9; adhering the wireless card 4 to the inner surface of the housing 17 and filling the housing with filler (eg resin or other filler) or fixing (de) eg; Qa ¢

_ \ “= by sticking or by welding) a holding counter part (made of a metal composition and in the cavity of the housing) whose shape passively reproduces the image of the wireless card 9. The housing 7 includes a bottom part VY sidewall Ya attached to the bottom VY It specifies an aperture

YY To receive the wireless card 4 in housing 4. Further; Housing includes 7 YY © flange at wall end 19 including yo recess Base includes ? On a YY hindrance (© shape) designed to co-operate with the YO socket so as to make it possible to fix the housing 7 to the base 0 Y The yo socket allows optimal mechanical bonding to the sald base encapsulated from the housing 7. The base has © held) with respect to its outer surface 11 being at least 1.5 mm (Fig. *) so that the housing sheathing material 7 is not damaged during the laser welding process. furthermore 0 that; The base includes a 74 hole allowing the wireless card 4 to be inserted into the housing 7 after overforming and manufacturing of the capsule. The outer surface Vo can take different shapes as a function of the geometry of the target to be selected. Could the outer surface be 101 of the base? To be installed with the tool © flat (linia) with an angle in the middle of the base surface to a large extent (Fig. Laide the form of that part of the © shay into which the capsule is attached. In the models shown in figures co do and “to 9 in view of the base ? of the pattern shown in figures 1 to 4; the base ? also includes Base TY close to housing oY where base 1 has an outer surface (ahd) Vo fastened with © tool Base FY is laser welded to surface Vo 0 or bonded to surface No This outer surface yo can be planar; curved; angled in the middle of the outer surface yo to a large extent; polyhedra or have a substantially circular shape with a predetermined radius (shape Sly ( A to appropriately include the form of that part of SEY © where

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_— \ \ _ The capsule is attached to it. Figure 4 shows a capsule 1 comprising a base having an outer surface of #? Able to include a tool with six sides. In the z-module shown in a for figures Ve to VY and given base 7 of the z-module shown in figures 1 through ;; rule includes? Also on the TY base close to the housing 17 as well as the wooden © TA with outer surface 1; it is to be attached to the © tool. Base YY is welded to surface Vo by laser or glued to surface 10 This outer surface (£) can be flat (fig. 10); curved; provided with an angle in the middle of the outer surface 1; to a large extent; It is provided with a polyhedral shape or has a largely circular shape with a predetermined radius (Fig. 11) in order to appropriately enclose the shape of that shall of the tool © a where the capsule is installed. Figure VY shows a capsule 1 comprising a base having an outer surface 1 capable of holding an eight-sided instrument. ofa the housing 1 is made of plastic; porcelain»; silicon; silicone 505304; Rubber or FKM (approx. 96860 fluoroelastomer). These materials do not trap or reduce electromagnetic waves and protect the wireless card 9. The preferred coating material is 1 to form the housing 17 overly on the metal base? It is PEEK filled with glass fibers or carbon fibers for the following reasons: “Mechanical resistance” in particular Joint strokes to avoid breaking the RFID tag 4 Cut resistance 0 Resistance to friction Exposure to ultrasonic baths Resistance (Ailes in particular) Qa ¢ yy

VI) caustic soda by exposure to a molar concentration of (Borer Deconex 34) ortho-phosphoric acid (for example: (Borer Deconex 23 for example “le”) detergents in the types of disinfectant lotions Thermal resistance bar in steamy atmosphere simmering (VA a VTE) Prion (GARE) oven cycle (at least 15018 distilled water); Exposure to temperatures up to 1007°C Biomedical Compatibility Sale SLA Compliant and Optionally Biocompatible 0 Smooth surface without bacteria culture Tightly sealed level between the ASEAN material and the base metal? Guaranteed sealing tolerance thanks to similar thermal expansion coefficients of the base metal? And from (sald) closed to the housing 7. Possibility of coloring the coated material in different colors Vo Does the coated material stop at the edge of the metal base? To allow the injection mold to be closed during overforming. This feature also makes it possible to avoid shortening of the sheathing material when laser welding the RFID capsule 1 to the tool 2. The wireless card (RFID card 9) is inserted into the capsule 1 after overforming. Cunt

Q1 Within the scope of using an LF or UHF wireless card? RFID cards The fixed distance between the wireless card 4 and the metal base ? and the cooling of the wireless card 4 make it possible to create a measured environment with respect to the magnetic field. The position of the wireless card 9 varies with respect to the base ? The operating frequency of the wireless card 9 is determined so that © Obtaining the position and frequency as the operating frequency of capsule 1 is between 11 kHz VY kHz (preferably at 175 kHz).Thus it is possible to determine and ensure optimal RFID performance (reading distance and readability) as a function of of the target material to which the RFID capsule 1 is attached.If a wireless card LF 9 is used, it should be noted that the distance d between the wireless card 9 and the metal base ?by means 11 must be fixed at a value of about 17 mm; eg 0. The wireless card's resonant frequency 9 is configured to suit the metal used such that once the base metal oF is present capsule 1 operates at a value measured between 1" 1 kHz and 9511 kHz (preferably approx. 171 kHz (or at 15 kHz)) before assembly of the capsule 1 to the © target and when assembly Set the capsule on target 0 to be selected. Indeed” if a wireless card 9 is applied directly to the surface (gil the various tuning detuning effects 1 will make detection of the wireless card 4 either impossible or the distance too small to allow agglomeration and determination IY) in the metal autoclaving bin. The aforementioned “measurement” strategy makes it possible to calculate the detection of targets identified in the 1 RFID capsule and maintain instantaneous and automated detection of targets placed in a block in the sterilizing bin placed in the RFID channel (Jie what is described In the patent application: 020125000 - ‎SYSTEME ET PROCEDE POUR LA LECTURE D'UN OU DE PLUSIEURS TAGS RFID EN MODE 0 ANTICOLLISION DANS UNE CASSETTE METALLIQUE ET EN DEHORS [SYSTEM AND METHOD FOR READING ONE OR MORE RFID TAGS IN .ANTICOLLISION MODE IN A METALLIC CASSETTE AND OUTSIDE] Preferably 9 passive wireless cards operating at low frequency Yo - ye.

Yo kilohertz. Out

— ¢ \ — preferably; The Wireless Card 9 takes the form of a cylindrical target comprising: lea an RFID transponder or ferrite chip (of cylindrical shape; UE or curved) a copper coil soldered to the transponder and optionally to a glass tube protecting the 0 elements listed above . These wireless cards are usually called 4 "dala cards" or "bar cards" and come in various dimensions and shapes. They can also be equipped with various types of transponders in particular at low frequency (L F) or at frequency High (H F). —-ds- 1.(en.pdf) The present invention also makes it possible to configure them to fit UHF wireless cards of smaller dimensions, such as those offered by 761817 Corporation. They are specifically marketed with the distinctive Dot-On XS and 75 Dash-On Wireless cards equipped with an air coil are also used These wireless cards are generally disk shaped Specifically marketed by HID Global under the brand name MicroProx™ Card (See link: http://www.hidglobal.com/main/id—.(cards/hid—proximity/1391-microprox--tag.html) For other targets to be processed larger than the means or tools; For example; 0 containers”; date holders or plates; other formats of RFID wireless cards operating at MW (UHF (HF) al frequencies may be used. Specifically marketed by HID Global under the brand name Inline UHF Card ™ (see link: Qa ¢

AH \ — http: //www.hidglobal.com/documents /hid —inline-230-15-uhf-tag- (ds.en.pdf) RFID tags used (glass tags) (LF) more than 050800 00 sterilization cycles and withstands ultrasonic baths. The microchip used in the wireless card has 9 anti-collision algorithms to identify targets grouping targets one by one during multiple readings. It does not preclude the fact that all or some of the targets to be identified are made The presence of the metal does not prevent the automatic detection of targets from among the target group. 0 Targets identified by means of the capsule of the present invention can be deposited in the sterilization basket of the stainless ball » Surgical basin in ic gana closed metal 'kidney dish' day sterilization and it is always possible to detect targets among the set of targets. embodiments of the present invention that are described in the present description without deviating from the scope of the present invention; as specified in the Elements Attached protection. Qa ¢

1- Protection elements 1. A radio-identification capsule (1) to identify a target (5), where the capsule (1) is characterized by the fact that it includes: - a metallic plinth () Attached to the target (7); - (V) housing capable of holding o( 4) radio—tag radio card where © the (V) housing is bolted to the (V) base and over-formed on the base (7) to form a potentially tight seal on the base (); - means (VY) to hold the wireless card at a fixed distance from the base (7); the housing is made of fl polyetheretherketone (PEEK) which has been reinforced with carbon and glass fibers. mm LF radio-identification capsule (1) in accordance with any of the 0 elements of the foregoing protection, characterized by the fact that the (V) housing includes a hole (11) for inserting a wireless card; and / Or, the _base() includes a slot (79) for entering a card Wireless 18010-189 (4) Jah housing . Vo 4. Wireless identification capsule (1) radio—identification capsule According to any of the previous protection elements, as it is characterized by the fact that the base (7) is made of stainless steel. 8. Identification capsule 1) radio-identification capsule ASL. In accordance with any of the Yo elements of the foregoing protection; characterized by the fact that the housing (V) housing includes a wireless radio card—

-11- kHz when collecting Yo for operation at about (1) mono (9) and the capsule tag is designed on the target (0) and thus a measured environment is formed that allows the detection of the target (0) in a basket Metallic sterilization. According to any of the (1) radio-identification capsule ASL. © 1. Identification capsule.

previous protection; It is characterized by the (Y) housing cond having a bottom (VY) sidewall (V9) attached to the bottom (VY) defining a slot (YY) to receive an 8010-9 wireless card ( 5) in housing (7); Where the edge (YF) on the side of the wall (V4) includes a recess ¢ (Y0) where the base (7) (YV) le is able to cooperate with the recess recess

.)( in the base (Vv) housing for fixing the housing (Yo) | 0 according to the element of protection (1) radio-identification capsule LV housing close to the housing (FV FY) where it is characterized that the base ( ) includes the base (Gold (0) is attached to the target all (£1 (7) and has an outer surface (V)

yo pursuant to Clause 26; (1) radio-identification capsule LA and (7) housing close to the housing (YY) comprising a base (T) wherein it is characterized by the base (*) A wooden support (74) that includes an external surface (8) to be attached to the target

Vo 4. Radio identification capsule (1) radio—identification capsule According to any of the protection elements, Ala, where it is characterized by the outer surface (V0) 75” 49) of the base (9) to be attached to the target (0 be flat; curved; angled in the mean surface (10) from the base to the aS limit and provided with polyhedral or substantially circular shape with a predetermined radius to adequately enclose the target shape (0) to be selected.

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M \ - . Radio-identification capsule (1) In accordance with any of the previous protections. It is characterized by the fact that the housing (V) housing can be produced in various colors. 11. © Radio-identification capsule (1) radio-identification capsule according to any of the elements

Protection (dnl) Ob features the means (VY) to hold the wireless card (9) at a fixed distance from the base (V) including clips located in the housing (7); attaching the wireless card (4) ( in the housing; dale (V) fill the housing or install the opposite part in the housing (7).

01 According to any of the elements (1) radio-identification capsule 1. The previous protection; it is characterized by the fact that the wireless card 1869-8010 (4) is kept at a distance of 0.7 mm from the base. is about

VY V0 An assembly that includes a target (0) and the capsule La (V) of any of the above protection elements, where the base (7) of the capsule (1) is welded to the target (0) by laser or glued to the target (*) 4. Assemble according to the previous claim, where the target (0) is a tool

Medical surgical or related to the teeth” or a tool or part related to the railway; motor related; related to sea navigation; And related to aviation or spare parts. LY 0 method for assembling a wireless card 8010-189) (1) into a wireless selection capsule (1) according to any of protections 1 through 11; to provide a wire selection capsule (1) that operates between AVY kilohertz

YO and 7511 kHz when the capsule is assembled on a target (0) and to form a measured environment allowing detection of

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-14- It includes a set of metal sterilization basket target (0) in a metal sterilization basket, where the method includes the following steps: o (0) targets; (1) from the capsule (7) housing Inside the housing (4) radio-tag Insert a wireless card - Vary the position of the wireless card (4) by looking at base (7) and identify the operating frequency to determine the position and frequency of the - operating frequency of the for the capsule © kHz and 9511 kHz; 111 ranges from (1) capsule at this exact position by (4) fixing the radio-tag - to hold the wireless card at a fixed distance from the base. (11) Using the method

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The validity period of this patent is twenty years from the date of filing the application, provided that the annual financial fee is paid for the patent and that it is not invalid or forfeited for violating any of the provisions of the patent system, layout designs of integrated circuits, plant varieties, and industrial designs, or its executive regulations issued by King Abdulaziz City for Science and Technology; Saudi Patent Office P.O. Box TAT Riyadh 57??11 ¢ Kingdom of Saudi Arabia Email: Patents @kacst.edu.sa